private void WriteMetadata(Version targetVersion, ITypeNamesCache typeNamesCache)
{
var valueWriterFactory = new DefaultValueWriterFactory(system.Get<IDocumentWriter>(), system.Get<IApplicationObjectsRepository>(), new NullTypeNamesCache());
var metaDataWriter = valueWriterFactory.Create();
var metaData = new MetaData(typeNamesCache.Names, targetVersion);
metaDataWriter.Write(metaData, system.Get<IDocumentWriter>().RootNode, metaData.GetType());
}
